Finding the Fourth Proportional to 945,416.55, 1,416,942.23 and 472,233.99
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Solution
The fourth proportional to 945,416.55, 1,416,942.23 and 472,233.99 is: 707,760.28
Step by Step Solution
- Step 1: Write the proportion equation
945,416.55 : 1,416,942.23 = 472,233.99 : x - Step 2: Convert to fraction form
945,416.55/1,416,942.23 = 472,233.99/x - Step 3: Cross multiply
945,416.55x = 1,416,942.23 × 472,233.99 - Step 4: Simplify right side
945,416.55x = 669,128,280,511.23 - Step 5: Solve for x
x = 669,128,280,511.23/945,416.55 - Step 6: Final answer
x = 707,760.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.